-Everyone says you are a good student. You are never late for school,are you? -_______.
The driver was at ______ loss when ____word came that he was forbidden to drive after drinking alcohol.
This is _______ story I’ve told you about.Isn’t it _______ interesting one?
This is the first time that I _____ the summer palace.
—Mr.Wang was caught in a snowstorm yesterday.—I have known that, and ______ his new car was completely destroyed.
—Excuse me, could you tell me where the post office is? —__________, but I’m a stranger here.